Fruit an achene or drupelet.
一或。
Fruit an achene or drupelet.
一或。
Achene line form, have aigret.
线形,有冠毛。
Fruit a trigonous, biconvex, or biconcave achene;
三角型,双凸,或者双凹的;
Ridges on achene surface in Senecio and Taraxacum are useful for absorbing small particles or control-ling surface temperature.Spinule on achene of Taraxacum may be fit for epizoochore.
千里属物和蒲公英属物表面的纵棱更为突起,可能有利于吸附颗粒和控制表面温度,蒲公英属物表面的微刺可能有利于2次传播。
Carpels many, rarely few, inserted on convex torus, each carpel becoming a drupelet or drupaceous achene;
心皮多数,有时少,着生于凸起的花托上,每心皮形成一或具;
Rhizome long and thin or shortly nodulose; leaf blade ternate, petiole narrow; involucral bracts petiolate; pistils and achenes with distinct style and small, usually linear stigma.
根状茎长和薄的或具短的节;三出的叶片,狭窄的叶柄;总苞片具叶柄;雌蕊和具明显花柱和,通常线形柱头。(8
Achene straight, with crested or U-shaped appendix at apex or along dorsiventral edges, usually verrucose, invested by shorter persistent perianth.
直,有具脊或者U形附属物在先端或者在背腹边缘,通常多疣,被更窄的宿存花被包围。
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